Citizen EcoDrive Men's Rotating Bezel Black Silicone Watch

This ISO-compliant Citizen Eco-Drive Promaster Diver watch is fueled by light and never needs a battery. Complete with a one-way rotating elapsed-time bezel, screw-down crown and poly strap. A simple, yet revolutionary concept: a watch that never needs a battery. Citizen Eco-Drive technology harnesses the power of light from any natural or artificial light source and converts it into energy which is stored in a permanently rechargeable lithium-ion cell. It recharges continuously in any kind of light to ...